package com.ruoyi.gcgl.service;

import java.util.List;
import com.ruoyi.gcgl.domain.SjProjectChange;

/**
 * 项目施工变更单Service接口
 * 
 * @author ruoyi
 * @date 2025-08-07
 */
public interface ISjProjectChangeService 
{
    /**
     * 查询项目施工变更单
     * 
     * @param id 项目施工变更单主键
     * @return 项目施工变更单
     */
    public SjProjectChange selectSjProjectChangeById(Long id);

    /**
     * 查询项目施工变更单列表
     * 
     * @param sjProjectChange 项目施工变更单
     * @return 项目施工变更单集合
     */
    public List<SjProjectChange> selectSjProjectChangeList(SjProjectChange sjProjectChange);

    /**
     * 新增项目施工变更单
     * 
     * @param sjProjectChange 项目施工变更单
     * @return 结果
     */
    public int insertSjProjectChange(SjProjectChange sjProjectChange);

    /**
     * 修改项目施工变更单
     * 
     * @param sjProjectChange 项目施工变更单
     * @return 结果
     */
    public int updateSjProjectChange(SjProjectChange sjProjectChange);
    
    public int updateSjProjectChange4check(SjProjectChange sjProjectChange);

    /**
     * 批量删除项目施工变更单
     * 
     * @param ids 需要删除的项目施工变更单主键集合
     * @return 结果
     */
    public int deleteSjProjectChangeByIds(String ids);

    /**
     * 删除项目施工变更单信息
     * 
     * @param id 项目施工变更单主键
     * @return 结果
     */
    public int deleteSjProjectChangeById(Long id);
}
